. >> parts of pakistan's based city are under curfew. there have been several days of intense gunfire in western neighborhoods in karachi with clashes between rival political groups escalating. as the violence worsens, the bodies continue to arrive at the morris. dozens of people have been killed in the last three days of fighting. many more have been injured. dannon had even opened fire on city buses. [sobbing] >> some people started firing at the bus and killed my father. there were no security and so now -- there were no security personnel. how many fathers will be killed like this? >> anbar, the violence follows the decision of the parties -- in part, the violence follows the decision of the party in charge to resign. >> they will look into this issue, what is going on in karachi. people are brutally killed, people traveling in buses brutally murdered. aside from the political turmoil, the city is filled with armed gangs. authorities are trying to grapple back some control of the affected areas. it will be added very high price. >> t